Loved your game concept! Rated (✓▽✓)
Random opinion:
- Access to tools with number keys would be nice, cause for me i had to switch from water/showel/seeds back and forth all the time
- Maybe showing hp of heroes somewhere, but it might be an aspect of game not to show tho, so you had to switch back to battle
- For me it's too much text on screen, so picture looks dirty (noisy). For example I think info about bushes and rocks is unnecesary, cause you will see it at the end of the day(information that you will get automaticaly). Same about hi-score(to main menu? to menu?), "Use the crops in Battle menu to heal them" (shorten to "Heal heroes with crops", full information inside tutorial, so we dont need to see instructions all the time), Battle menu not named Battle menu, but "HELP THE HEROES"(two instances of same entity)
- Maybe Replace "Buy More" with just "Buy" or shop icon.
Correct me if i'm wrong (ㅅ´ ˘ `)